CVE-2022-50087

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consumers without CAP_SYS_ADMIN/sysfs bind, so a normal local unprivileged user context on an affected ARM SCPI system is sufficient for the highest-severity exploitation model (heap spray against the freed scpi_drvinfo).\nUI:N - No victim action is required; probe failure and subsequent get_scpi_ops() use occur automatically during boot/deferred probing.\nS:U - Impact remains within the kernel\u2019s security authority (local privilege escalation/DoS via kernel UAF); it does not cross a VM, IOMMU, or other separate security boundary.\nC:H - This is a use-after-free of scpi_drvinfo exported through get_scpi_ops(); with heap reuse the attacker can control the returned scpi_ops and adjacent state, enabling arbitrary kernel reads.\nI:H - UAF of the ops/channel state enables forged function pointers and writes through SCPI ops (clocks, DVFS, power, sensors), so integrity impact includes control-flow hijacking and arbitrary modification.\nA:H - The reported crash is a kernel oops/NULL 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/firmware/arm_scpi.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5aa558232edc30468d1f35108826dd5b3ffe978f", "status": "affected", "version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa", "versionType": "git"}, {"lessThan": "18048cba444a7c41dbf42c180d6b46606fc24c51", "status": "affected", "version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa", "versionType": "git"}, {"lessThan": "08272646cd7c310642c39b7f54348fddd7987643", "status": "affected", "version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa", "versionType": "git"}, {"lessThan": "0c29e149b6bb498778ed8a1c9597b51acfba7856", "status": "affected", "version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa", "versionType": "git"}, {"lessThan": "87c4896d5dd7fd9927c814cf3c6289f41de3b562", "status": "affected", "version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa", "versionType": "git"}, {"lessThan": "4f2d7b46d6b53c07f44a4f8f8f4438888f0e9e87", "status": "affected", "version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa", "versionType": "git"}, {"lessThan": "689640efc0a2c4e07e6f88affe6d42cd40cc3f85", "status": "affected", "version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/firmware/arm_scpi.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.4"}, {"lessThan": "4.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.256", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.211", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.137", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.61", "versionType": "semver"}, {"lessThanOrEqual": "5.18.*", "status": "unaffected", "version": "5.18.18", "versionType": "semver"}, {"lessThanOrEqual": "5.19.*", "status": "unaffected", "version": "5.19.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3AC63550-1EF5-434E-B47C-A070C0D52954", "versionEndExcluding": "4.19.256", "versionStartIncluding": "4.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B1C63D19-C08C-4308-A848-B2523C9275BD", "versionEndExcluding": "5.4.211", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C2BF720F-C5EE-4DE2-9BDF-CE4CFBC767F4", "versionEndExcluding": "5.10.137", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "51861563-7F40-460F-82CD-2D3FBDAD6618", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5B42E453-8837-49D0-A5EF-03F818A6DC11", "versionEndExcluding": "5.18.18", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails\n\nWhen scpi probe fails, at any point, we need to ensure that the scpi_info\nis not set and will remain NULL until the probe succeeds. If it is not\ntaken care, then it could result use-after-free as the value is exported\nvia get_scpi_ops() and could refer to a memory allocated via devm_kzalloc()\nbut freed when the probe fails."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: firmware: arm_scpi: Asegurarse de que scpi_info no se asigne si la sonda falla. Cuando la sonda scpi falla, en cualquier momento, debemos asegurarnos de que scpi_info no est\u00e9 configurado y permanezca nulo hasta que la sonda tenga \u00e9xito. Si no se soluciona, podr\u00eda producirse un error de Use-After-Free, ya que el valor se exporta mediante get_scpi_ops() y podr\u00eda hacer referencia a una memoria asignada mediante devm_kzalloc(), pero liberada cuando la sonda falla."}], "id": "CVE-2022-50087", "lastModified": "2026-08-04T10:18:04.620", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-50087", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-10T20:41:34.847637Z", "version": "2.0.3"}}]}, "published": "2025-06-18T11:15:37.803", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/08272646cd7c310642c39b7f54348fddd7987643"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0c29e149b6bb498778ed8a1c9597b51acfba7856"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/18048cba444a7c41dbf42c180d6b46606fc24c51"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4f2d7b46d6b53c07f44a4f8f8f4438888f0e9e87"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5aa558232edc30468d1f35108826dd5b3ffe978f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/689640efc0a2c4e07e6f88affe6d42cd40cc3f85"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/87c4896d5dd7fd9927c814cf3c6289f41de3b562"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails", "id": "2373539", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373539"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nfirmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails\nWhen scpi probe fails, at any point, we need to ensure that the scpi_info\nis not set and will remain NULL until the probe succeeds. If it is not\ntaken care, then it could result use-after-free as the value is exported\nvia get_scpi_ops() and could refer to a memory allocated via devm_kzalloc()\nbut freed when the probe fails."], "name": "CVE-2022-50087", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50087\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50087\nhttps://lore.kernel.org/linux-cve-announce/2025061859-CVE-2022-50087-53b1@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-23T08:36:34.148750+00:00", "updated": "2025-06-23T08:36:34.148795+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}